Simon Willison’s Weblog

How Zoom’s web client avoids using WebRTC (via) It turns out video conferencing app Zoom uses their own WebAssembly compiled video and audio codecs and transmits H264 over WebSockets.

Posted 18th April 2019 at 6:20 pm

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How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025
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Cooking with Claude - 23rd December 2025

websockets 20 webassembly 85

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